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Curl批量打开网址的PHP类,curl_multi_init

php 苏 demo 1763℃ 0评论

<?php

/* curl多线程打开类
* curl_multi 2012年3月15日 21:39:32做了一小修改..在非200 301 302的情况下返回空!
* by wc1217
*/

class curl_multi{

//Curl句柄
//private $curl_handle = null;
//网址
private $url_list = array();
//参数
private $curl_setopt = array(
‘CURLOPT_RETURNTRANSFER’ => 1, //结果返回给变量
‘CURLOPT_HEADER’ => 0, //要HTTP头不?
‘CURLOPT_NOBODY’ => 0, //不要内容?
‘CURLOPT_FOLLOWLOCATION’ => 0, //不自动跟踪
‘CURLOPT_TIMEOUT’ => 15//超时(s)
);

function __construct($seconds = 30){
set_time_limit($seconds);
}

/*
* 设置网址
* @list 数组
*/

public function setUrlList($list = array()){
$this->url_list = $list;
}

/*
* 设置参数
* @cutPot array
*/

public function setOpt($cutPot){
$this->curl_setopt = $cutPot + $this->curl_setopt;
}

/*
* 执行
* @return array
*/

public function exec(){
try{
$mh = curl_multi_init();
$conn = array();
foreach($this->url_list as $i => $url){
$conn[$i] = curl_init($url);
if(strtolower(substr($url, 0, 5)) == ‘https’){
curl_setopt($conn[$i], CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($conn[$i], CURLOPT_SSL_VERIFYHOST, false);
}
foreach($this->curl_setopt as $key => $val){
curl_setopt($conn[$i], preg_replace(‘/(CURLOPT_\w{1,})/ie’, ‘$0’, $key), $val);
}
curl_multi_add_handle($mh, $conn[$i]);
}

/* if($i == 0 && isset($conn[$i]))
return array(curl_exec($conn[$i])); //一个网址的时候直接执行返回
*/
$active = false;

do{
$mrc = curl_multi_exec($mh, $active);
}while($mrc == CURLM_CALL_MULTI_PERFORM);

//执行状态
//$http_code = array();
$res = array();

while($active and $mrc == CURLM_OK){
if(curl_multi_select($mh) != -1){//php5.3.18+的某些版本会一直返回-1,请去掉此处的if
do{
$mrc = curl_multi_exec($mh, $active);
}while($mrc == CURLM_CALL_MULTI_PERFORM);
//得到线程信息
/* $mhinfo = curl_multi_info_read($mh);
if(false !== $mhinfo){
$chinfo = curl_getinfo($mhinfo[‘handle’]);
//$http_code[] = $chinfo[‘url’] . ‘ : ‘ . $chinfo[‘http_code’]; // == 0 || $chinfo[‘http_code’] == 404;
//得到httpCode为200的内容 如果CURLOPT_FOLLOWLOCATION且有Location头标记的话$chinfo[‘url’]会是最后一个URL
$res[array_search($chinfo[‘url’], $this->url_list)] = ($chinfo[‘http_code’] == 200 ? curl_multi_getcontent($mhinfo[‘handle’]) : ‘null’);
curl_multi_remove_handle($mh, $mhinfo[‘handle’]); //用完马上释放资源
curl_close($mhinfo[‘handle’]);
} */
}
}
//print_r($http_code);
foreach($this->url_list as $i => $url){
$status = curl_getinfo($conn[$i], CURLINFO_HTTP_CODE);
$res[$i] = (($status == 200 || $status == 302 || $status == 301) ? curl_multi_getcontent($conn[$i]) : null);
curl_close($conn[$i]);
curl_multi_remove_handle($mh, $conn[$i]); //用完马上释放资源
}
curl_multi_close($mh);
}catch(Exception $e){
echo ‘错误: ‘ . $e->getMessage();
}
return $res;
}

}

?>

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